/Engine/Source/Runtime/Slate/Public/Framework/MultiBox/SToolBarStackButtonBlock.h
Constructor
FToolBarStackButtonBlock ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< const [FUICommandInfo](API\Runtime\Slate\Framework\Commands\FUICommandInfo) > InCommand, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< const [FUICommandList](API\Runtime\Slate\Framework\Commands\FUICommandList) > InCommandList, bool bInSimpleStackBox )